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Technical Data Sheet

821/00251 — CLAMP,BLOCK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

821/00251: CLAMP,BLOCK.

The CLAMP,BLOCK is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYPROPYLENE, block_height: 30.0 MILLIMETERS NOMINAL30.0 MILLIMETERS NOMINAL MM, overall_width: 37.0 MILLIMETERS NOMINAL37.0 MILLIMETERS NOMINAL MM, overall_height: 30.0 MILLIMETERS NOMINAL30.0 MILLIMETERS NOMINAL MM, overall_length: 67.0 MILLIMETERS NOMINAL67.0 MILLIMETERS NOMINAL MM, style_designator: RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-606-2536, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
821/00251
NSN: 5340-01-606-2536
NIINs: 016062536, 016117089
FSC: 5340 — Hardware, Commercial
CAGE: 0JKF0 — JCB INC. (USA)
SPECIFICATIONS
materialPLASTIC POLYPROPYLENE
block_height30.0 MILLIMETERS NOMINAL30.0 MILLIMETERS NOMINAL MM
overall_width37.0 MILLIMETERS NOMINAL37.0 MILLIMETERS NOMINAL MM
overall_height30.0 MILLIMETERS NOMINAL30.0 MILLIMETERS NOMINAL MM
overall_length67.0 MILLIMETERS NOMINAL67.0 MILLIMETERS NOMINAL MM
style_designatorRECTANGULAR
features_providedW/BOLTW/BOLT
mounting_facilitySLOTSLOT
clamping_hole_diameter20.0 MILLIMETERS NOMINAL ALL HOLES MM
clamping_hole_quantity22
mounting_hole_quantity22
end_item_identification2420-01-535-40612420-01-535-4061
NSN5340-01-606-2536
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 821/00251 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MOUNTING HOLE QUANTITY: 22
•
CLAMPING HOLE QUANTITY: 22
•
STYLE DESIGNATOR: RECTANGULAR
•
CLAMPING HOLE DIAMETER: 20.00 MILLIMETERS NOMINAL ALL HOLES MM
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY22
OVERALL HEIGHT37.00 MILLIMETERS NOMINAL37.00 MILLIMETERS NOMINAL MM
CLAMPING HOLE QUANTITY22
STYLE DESIGNATORRECTANGULAR
CLAMPING HOLE DIAMETER20.00 MILLIMETERS NOMINAL ALL HOLES MM
PART NAME ASSIGNED BY CONTROLLING AGENCYCLAMP
END ITEM IDENTIFICATION2420-01-535-40612420-01-535-4061
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 821/00251?
821/00251 is a CLAMP,BLOCK.
What is the NSN for 821/00251?
821/00251 is cataloged in the U.S. Government catalog under NSN 5340-01-606-2536. This indicates validated use in U.S. government and defense supply chains.
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